#155133 Color
#155133 is rgb(21, 81, 51) in RGB, hsl(150, 59%, 20%) in HSL, and about cmyk(74%, 0%, 37%, 68%) in CMYK. It has no registered color name of its own — the closest is British Racing Green (#004225), clearly related but distinguishable side by side at ΔE 6.35. White text is the more readable choice on this background.
#155133rgb(21, 81, 51)hsl(150, 59%, 20%)hsv(150, 74%, 32%)cmyk(74%, 0%, 37%, 68%)oklch(38.8% 0.08 157.2)lab(30.07% -25.95 11.93)lch(30.07% 28.56 155.31)What #155133 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #155133, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every green in the library.
#155133 Channel Values
How #155133 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 21 · G 81 · B 51 | 8-bit channels as sent to the display |
| HSL | H 150° · S 59% · L 20% | Easiest model for building lighter and darker variants |
| HSV | H 150° · S 74% · V 32% | Matches the picker in most design tools |
| CMYK | C 74% · M 0% · Y 37% · K 68% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.31:1 vs white · 2.26:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #155133 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #155133 in the contrast checker.
Colors That Go With #155133
Pairings derived from color-wheel relationships. The complementary color sits opposite #155133; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #155133
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #155133.
How #155133 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#155133#4B4B33#3C4D33#444435#364934#1F4E4E#1B4F45#474747Using #155133 in Code
Copy-ready declarations for the places this color usually ends up.
--color-155133: #155133;background-color: #155133;colors: { 'color-155133': '#155133' }Color(red: 0.082, green: 0.318, blue: 0.200)<color name="color_155133">#155133</color>fill="#155133"More Green Colors
#155133 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#155133 Frequently Asked Questions
What color is #155133?
#155133 is a dark green — rgb(21, 81, 51) in RGB and hsl(150, 59%, 20%) in HSL. It carries no registered color name of its own; the closest named color is British Racing Green (#004225), which is clearly related but distinguishable side by side at a CIE76 distance of 6.35.
What is the RGB value of #155133?
#155133 is rgb(21, 81, 51) — red 21, green 81, and blue 51 on the 0-255 scale.
What is the CMYK value of #155133?
#155133 converts to approximately cmyk(74%, 0%, 37%, 68%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #155133 be black or white?
White text is the more readable choice. #155133 scores 9.31:1 against white and 2.26:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #155133 as a CSS color keyword?
No. #155133 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkslategray (#2F4F4F) at a CIE76 distance of 20.98, which is visibly different.
Open #155133 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.